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Related Concept Videos

Dialysis01:27

Dialysis

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Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
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Reabsorption and Secretion in the DCT and Collecting Duct01:26

Reabsorption and Secretion in the DCT and Collecting Duct

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The early phase of the DCT manages the reabsorption of approximately 10-15% of filtered water, 5–10% of filtered sodium, and 5–10% of filtered chloride. This process is facilitated by Na+–Cl− symporters in apical membranes and sodium-potassium pumps, as well as Cl− leakage channels in basolateral membranes. The early DCT also stands out as a site where parathyroid hormone (PTH) stimulates calcium reabsorption, depending on the body's requirements.
The distal...
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What is Cell Signaling?02:03

What is Cell Signaling?

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Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.
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pH Regulation in Cells01:28

pH Regulation in Cells

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pH plays a critical role in maintaining normal cellular activities. It helps maintain the structure and function of various proteins, dictates the charge on cellular membranes, and is crucial for metabolic reactions inside the cell. Moreover, cells use the energy from the proton motive force to generate ATP.
Cytosolic pH
Under physiological conditions, the cytosolic pH is slightly more acidic than the extracellular pH. However, cells must prevent further acidification of their cytosol to...
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Contact-dependent Signaling01:19

Contact-dependent Signaling

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Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...
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Transcellular Transport of Solutes01:23

Transcellular Transport of Solutes

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Transcellular transport of solutes is the movement of substances like monosaccharides and amino acids through polarized cells. This transport mechanism is primarily seen in epithelial and endothelial cells aided by membrane transport proteins such as channels and transporters. The tight junctions between these cells confine the membrane proteins to the two sides of the cell. The epithelial cells have distinct apical and basolateral domains. In contrast, the endothelial cells show the luminal...
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Related Experiment Video

Updated: Jul 2, 2025

Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis
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Intercellular communication in peritoneal dialysis.

Li Sheng1,2, Yun Shan1, Huibo Dai1,2

  • 1Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.

Frontiers in Physiology
|February 23, 2024
PubMed
Summary

Long-term peritoneal dialysis (PD) can damage the peritoneal membrane through complex cellular interactions. Understanding these cell communications is key to developing new treatments for PD-related fibrosis.

Keywords:
crosstalkinter-organ communicationintercellular communicationperitoneal dialysisperitoneal fibrosis

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Area of Science:

  • Nephrology and Cell Biology
  • Focuses on the cellular mechanisms underlying peritoneal dialysis complications.

Background:

  • Long-term peritoneal dialysis (PD) leads to structural and functional changes in the peritoneal membrane.
  • Peritoneal deterioration and fibrosis are complex processes involving multiple cell types and molecular pathways.
  • Non-biocompatible PD solutions can trigger adverse cellular responses, including altered cytokine secretion and protein expression.

Purpose of the Study:

  • To review the roles of various abdominal cavity cells and their interactions in the pathogenesis of peritoneal dialysis complications.
  • To highlight the importance of understanding intercellular and inter-organ communication in PD.
  • To identify potential novel therapeutic targets for PD-related peritoneal damage.

Main Methods:

  • Literature review synthesizing current research on cellular and molecular mechanisms in PD.
  • Analysis of cell behavior, cytokine profiles, protein expression, and transdifferentiation under PD conditions.
  • Examination of intercellular and inter-organ communication pathways relevant to PD pathogenesis.

Main Results:

  • Various abdominal cavity cells exhibit distinct characteristics and responses when exposed to deleterious factors during PD.
  • Cellular interactions and communication networks significantly contribute to peritoneal membrane deterioration and fibrosis.
  • Specific molecular and cellular pathways are implicated in the pathogenesis of PD-induced peritoneal damage.

Conclusions:

  • A comprehensive understanding of cellular interactions and communication is crucial for elucidating PD pathogenesis.
  • Identifying these complex interactions can pave the way for developing targeted therapies to mitigate peritoneal membrane damage.
  • Further research into inter-organ communication in PD may reveal new therapeutic strategies.